BB-422PP9R (B+B SmartWorx)

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Documents: Datasheet

Description: The 422PP9R is a full duplex RS232 to RS422 serial interface adapter that is powered from the RS232handshaking signals operating at a maximum of 115,200bps.  These are new in box.


  • ƒExtend RS-232 data signals up to 1.2 km
  • ƒChange RS-232 TD and RD to balanced RS-422 signals
  • ƒBaud rates up to 115.2 kbps
  • ƒQuick, inline installation
  • ƒPowered from RS-232 handshake lines - no power supply required (ƒAt least one handshake line must be present (positive or negative voltage))
  • No software control needed ƒRS-232/RS-422 bidirectional transmission

 RS232 Features

  • Operation: 2 wire full duplex
  • Connector: DB9 female
  • Signals: TD, RD, RTS, CTS, DTR, DSR, DCD, GND

RS422 Features

  • Operation: 4 wire full duplex
  • Connector: DB9 female
  • Signals: TDA+, TDB+, RDS-, RDB+, GND
  • Biasing resistors: 4.7K
  • Termination: None


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